Improvement in pea-shelling machines



2 Sheets-Sheet 21.

J. BUD.

" .Pea-Shelling. Machine.

No. 213,168. A Patented Mar. 11,1879.

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UNITED .STATES PATENT 0T' ',ICE-

JOHN HDD, OF PHILADELPHIA, PENNSYLVANIA.

IMPROVEMENT IN PEA-SHELLING MACHINES.

Specification forming part of Letters Patent No. 213,168, dated March 1l, 1879; application tiled september 30, 187s.

' To all 'whom 'it 'may concern Beit known that I, JOHN BUDD, of Philadelphia, Pennsylvania, have invented a new and useful Improvement in Pea-Shelling Machines, of which the` following is a specification:

The main object of my invention is to make a pea-shelling machine in which the pods contained in a hopper are so agitated and so controlled by ribs that in descending toward the shelling-rollers they will be presented to the latter endwise, as explained hereinafter.

In the accompanying drawings, Figure l, Sheet l, is a vertical section of my improved peashelling machine, Fig. 2, Sheet l, a side elevation of part of the machine; Fig. 3, Sheet 2, a plan view; Fig. 4, Sheet 2, avertical section on the line l 2, Fig. l, and the line 3 4, Fig. 3 5 and Figs. 5 and 6, views illustrating the shelling operation.

The frame of the machine consists of a box, of which a is the front, b the rear, and d d' the opposite sides. A toothed roller, A, has

. its bearings in the opposite sides d d' of the l box, as also have the two rolls B B', the three rollers being so geared together that by turning the handle e on one of the projecting journals of the roller B in the direction of its arrow the several rollers will turn in the directions pointed out by their arrows in Fig. l.

'Io the shaft of the roller A is hinged a plate, D, to which avibrating motion is imparted to the extent indicated by the dotted line rv, the latter indicating the limit of its lnotion `in one direction, and the plain lines the limit in the other direction. The plate D ext-ends across the interior of the box from the side d to the side d' of the same, and its lower portion is slotted for admitting certain ribs referred to hereinafter.

An apron, E, also extending across the box, is pivoted at y to the ends d d', its lower edge resting on the top of the vibrating plate D; hence the latter must impart to the apron the vibrating motion indicated by plain and dotted lines.

A rocking frame, consisting ofthe plate F, a portion, F', of which is slotted, so as to form fingers, having projections f', extends across the interior of the box, to the opposite sides of which it is pivoted at the point w, and an apron, Gr, pivoted at p to the opposite sides of the box, bears with its lower edge on the plate F of the rocking frame. The extent ot' vibration of the said plate F of `the rocking frame is indicated by the plain and dotted lines in Fig. 1.

The vibrating plate D and its apron E, and the rocking frame F and its apron Gr, constitute, with the opposite sides of the box, the hopper for receiving the pease to be shelled, the converging sides formed by the plates and aprons being in constant motion when the machine is in operation. The object of this is to keep the pods with which the hopper is filled, and from which the pease have to be extracted, in constant agitation.

It may be remarked here that the precise arrangement of parts constituting the movable portions of the hopper need not be adhered to exactly; the aprons E and Gr, for instance, might-be dispensed with.

We will'suppose the ribs H H', referred to above and fully described hereinafter, to be absent for the time being, and the pods to be descending toward the rollers.

The toothed rollerl A will seize whatever pods are within its reach anddircct them to the rollers B B', which are clothed with rubber, and which seize the pods, the pease of which are squeezed from the shell and fall into the drawer M, while the shells are discharged from the rollers onto the inclined board N, down which they descend and fall into any suitable receptacle.

The pods, however, in descending the hopper would, in the absence of the ribs H H', be generally presented lengthwise to the shellingrollers, and the pease would consequently, in most cases, be crushed with the shells. rIhis is prevented by the said ribs, which, in

the present instance, are secured to a stationy ary plate, I, extending across and secured to the opposite sides of the box.

The upper edges of these ribs are V-shaped or rounded, and the ribs H', which alternate with the bars H, are preferably di'erent in the shape (longitudinally) of the upper edges from the said ribs H.

It will be seen that these ribs project up Ward from below into the hopper, and that the vibrating plate D and frame Fare slotted to receive them, so that a series of'ingers in constant motion, and forming part of the rocking frame and plate D, project between the ribs.-

The distance between the bars H H' is large enough for the free passage between'` them of the largest pods, so that the latter will seek the inclined plate D and be presented endwise to the toothed roller A, Fig. 5, vwhich 2drags them to the shelling-rollers.

The pods in the hopper are agitated, tilted, and turned by the beveled edges of the ribs until they assume the desired positions before they reach the rollers, and this agitation serves to promote the descent of the pods.

The ribs H H might be'made to vibrate 'in afixed hopper, or both the inclined sides vof thej'hopper and the ribs'might be vibrated, 'but I prefer the above-described plan.

As the rocking 4frame vibrates, the points of the projections f 'on the fingers of the frame,

which are between the ribs, have such amovement that they will promote the tdescent of the podsand aid in properlyl presenting them to the rollers. The required vibrations areimparted 'to the rocking frame andplateD 'in vthe'presentinstance through the mediumiof the'mechanism shown in Fig.'2.

A crank-pin, c', on the shaftof the roller A vibratesl a lever, K, hung 'to a'xed pin, f, on the box; and a pin, ha, on this'lever is connected to one of the end projections Fot' the rocking frame,a curved slot being eut vinoneside of the box to' accommodate the movement-sof the in a direction contrary to that pointed out by thearrowfandthis upxvafllnoi'ementof the pin-is'-'aided by 'the spring'fq. "Similar'mechanism may be arranged at the lside of the machine opposite that shown in Fig. 2.

I do not wish, however, to conne myself to this mechanism, through the medium of which vibration is imparted from the rollershaft to the rocking frame and plate D, as other'devices eqnally'as efficient as those described will readily suggest themselves.

In the present instance the shaft of the roller B,'which is the'drivingshaft, is-vgeared to that of the roller B by Wheels t t on one end of the box, while the same driving-shaft is geared to that of the toothed roller A by wheels V V at the opposite endof themachine.

' Care should be taken'to yarrange the toothed roller A-atsuch a distancefromthe roller B,

that theshelled pease can .pass freely'between `them.

I claim as my inventionv1. The combination, 'in 'a pea-shellingfmachine, oi' a toothedfeed-roller and apair ofsbelling-rollers, B Blwith thefeed-hopper and with -chopper' havingslottedand` vibrating'sitles,--all assetforth. l v

v3. YTheV 'combination' ofy thearibsiHl IIwith the slotted vibratingfplate v\D"an'dpivoted 'apron- E.

4. The combination 'of the Vribs IIHjthe Aslotted rocking frame F,landf apron Gr.

`5. vThe'"combina'tionof theprojectionsfwf the rocking "frame-with the vibrating'plate D and ribs H H.

' In `testiliion y'vvhereof I-liave si gnedmy name to thisspecication vin the presence bt"Y two @JOHN-'Bunn subscribin gwitnes'ses.

'Witnesses p HARRY A; CRAWFORD, HARRY SMITH. 

